du·ra·ble /ˈdʊrəbəl ||ˈdjʊr-/
  (a.)經久的,持久的,耐用的耐用物品
  Du·ra·ble a.  Able to endure or continue in a particular condition; lasting; not perishable or changeable; not wearing out or decaying soon; enduring; as, durable cloth; durable happiness.
     Riches and honor are with me; yea, durable riches and righteousness.   --Prov. viii. 18.
     An interest which from its object and grounds must be so durable.   --De Quincey.
  Syn: -- Lasting; permanent; enduring; firm; stable; continuing; constant; persistent. See Lasting.
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  durable
       adj 1: existing for a long time; "hopes for a durable peace"; "a
              long-lasting friendship" [syn: lasting, long-lasting,
               long-lived]
       2: serviceable for a long time; "durable denim jeans" [syn: long-wearing]
       3: very long lasting; "less durable rocks were gradually worn
          away to form valleys"; "the perdurable granite of the
          ancient Appalachian spine of the continent" [syn: indestructible,
           perdurable, undestroyable]